They reportedly split up in June before getting back together a few days later.
And Scott Disick, 35, and Sofia Richie, 20, looked more smitten than ever at Sydney's Marquee nightclub on Wednesday night.
The Keeping Up With The Kardashians star was seen flirting up a storm with his younger girlfriend, while hosting the club's annual Halloween bash.
The look of love! Scott Disick, 35, gazes adoringly at girlfriend Sofia Richie, 20, at Halloween bash in Sydney
He opted for a casual look in a grey hoodie, matching pants and white sneakers.
Sofia wore a cleavage-baring black minidress, which showcased her petite frame.
The couple danced and laughed in the VIP area as scantily-clad employees held up a 'Scott' sign behind them.
Flirting up a storm: The couple danced and laughed in the VIP area as fans watched on from a distance
Star treatment: Sofia looked impressed as scantily-clad employees held up a 'Scott' sign behind the couple
Casual look: Scott